124554140042345 has 16 divisors (see below), whose sum is σ = 160962694219152. Its totient is φ = 91978201344000.

The previous prime is 124554140042327. The next prime is 124554140042351. The reversal of 124554140042345 is 543240041455421.

It can be written as a sum of positive squares in 8 ways, for example, as 7054436928361 + 117499703113984 = 2656019^2 + 10839728^2 .

It is not a de Polignac number, because 124554140042345 - 2⁶ = 124554140042281 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 124554140042296 and 124554140042305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24815345 + ... + 29409345.

It is an arithmetic number, because the mean of its divisors is an integer number (10060168388697).

Almost surely, 2^{124554140042345} is an apocalyptic number.

It is an amenable number.

124554140042345 is a deficient number, since it is larger than the sum of its proper divisors (36408554176807).

124554140042345 is a wasteful number, since it uses less digits than its factorization.

124554140042345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5011132.

The product of its (nonzero) digits is 1536000, while the sum is 44.

Adding to 124554140042345 its reverse (543240041455421), we get a palindrome (667794181497766).

The spelling of 124554140042345 in words is "one hundred twenty-four trillion, five hundred fifty-four billion, one hundred forty million, forty-two thousand, three hundred forty-five".